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PartsTable / COMPONENT / 303AJACK
303AJACK ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The JACK,TELEPHONE is a the manufacturer industrial component. Key specifications include body_style: BUSHING MOUNTED LONG FRAME, body_width: 0.562 INCHES NOMINAL IN, terminal_type: TAB, SOLDER LUG, overall_height: 0.859 INCHES NOMINAL IN, overall_length: 3.515 INCHES NOMINAL IN, surface_treatment: TIN TERMINAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-00-815-4721, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
303AJACK
NSN: 5935-00-815-4721
FSC: 5935
CAGE: 06KW9 — LUCENT TECHNOLOGIES INC DBA FEDERAL MARKETING GROUP (USA)
SPECIFICATIONS
body_styleBUSHING MOUNTED LONG FRAME
body_width0.562 INCHES NOMINAL IN
terminal_typeTAB, SOLDER LUG
overall_height0.859 INCHES NOMINAL IN
overall_length3.515 INCHES NOMINAL IN
surface_treatmentTIN TERMINAL
mounting_hole_diameter0.156 INCHES NOMINAL IN
mounting_bushing_length0.562 INCHES NOMINAL IN
accommodated_finger_typeTWO CONDUCTOR, ROUND TIP SINGLE FINGER
mounting_bushing_diameter0.448 INCHES NOMINAL IN
finger_accommodation_length1.015 INCHES NOMINAL SINGLE FINGER IN
specification/standard_data81349--641/2-1 GOVERNMENT SPECIFICATION
NSN5935-00-815-4721
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available JACK,TELEPHONE TITLE COMPONENT PN 303AJACK MFR JACK,TELEPHONE
KEY FEATURES
•
BUSHING THRU-HOLE ACCOMMODATION DIAMETER: 0.448 INCHES NOMINAL IN
•
SPECIFICATION/STANDARD DATA: 81349--641/2-1 GOVERNMENT SPECIFICATION
•
BUSHING ACCOMMODATION HOLE SHAPE: ROUND
•
SURFACE TREATMENT: TIN TERMINAL
•
FINGER ACCOMMODATION DIAMETER: 0.252 INCHES NOMINAL SINGLE FINGER IN
•
ACCOMMODATED FINGER TYPE: TWO CONDUCTOR, ROUND TIP SINGLE FINGER
•
TERMINAL TYPE: TAB, SOLDER LUG
•
TEST DATA DOCUMENT: 81349-MIL-DTL-641/2 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
TECHNICAL CHARACTERISTICS (FLIS)
BUSHING THRU-HOLE ACCOMMODATION DIAMETER0.448 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA81349--641/2-1 GOVERNMENT SPECIFICATION
BUSHING ACCOMMODATION HOLE SHAPEROUND
SURFACE TREATMENTTIN TERMINAL
FINGER ACCOMMODATION DIAMETER0.252 INCHES NOMINAL SINGLE FINGER IN
ACCOMMODATED FINGER TYPETWO CONDUCTOR, ROUND TIP SINGLE FINGER
TERMINAL TYPETAB, SOLDER LUG
TEST DATA DOCUMENT81349-MIL-DTL-641/2 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
FINGER ACCOMMODATION LENGTH1.015 INCHES NOMINAL SINGLE FINGER IN
BODY STYLEBUSHING MOUNTED LONG FRAME
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
T331Interchangeable
interchangeable cross-reference
interchangeable
M641/2-8Interchangeable
interchangeable cross-reference
interchangeable
JJ086Interchangeable
interchangeable cross-reference
interchangeable
MILJ641-2Interchangeable
interchangeable cross-reference
interchangeable
JJ072Interchangeable
interchangeable cross-reference
interchangeable
M641/2-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 303AJACK?
303AJACK is a JACK,TELEPHONE.
What parts can replace 303AJACK?
There are 21 known substitutes for 303AJACK: T331, M641/2-8, JJ086 and 18 more. Substitute compatibility should be verified for your specific system.
Is 303AJACK still available?
303AJACK is currently cancelled.
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Last verified: July 2026